Part of the Hitachi Parts Manuals.
Track down the exact factory replacement numbers for your excavator with this 351-page Hitachi EX40-2 Parts Catalog PDF (OEM #P1B8-1-2). Inside, you get highly detailed exploded views of the entire machine, from the main frame and undercarriage to the complete hydraulic pump device. Open to any section to see precise component identification, full parts lists, and structural breakdowns that make ordering the right hardware foolproof. Verify the correct O-rings and hoses for the 012 Way Multi Lever pipings, or identify the exact shoe assemblies and pins required to rebuild the Track-Link 400G rubber crawler. Stop ordering the wrong parts and waiting on returns. Bookmarked and text-searchable, this file lets you jump directly to the component you need and get your parts list right the first time.
What's Inside This Hitachi EX40-2 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Air Cleaner, Fuel Pipings | |
| Cooling System | Radiator, Radiator Support, Radiator Net, Reserve Tank | |
| Engine | Muffler, Oil Cooler Pipings, Lubricate Pipings, Swing Bearing, Pump;Piston | |
| Electrical System | Gauge Panel, Wire Harness, Valve;Solenoid | |
| PTO | Extra Pipings _PTO_ | |
| Hydraulics & 3-Point Hitch | Pump Device, Pump Device Support, Boom Swing Cylinder, Blade Cylinder, Boom Cylinder, Arm Cylinder, Bucket Cylinder, 01..Valve;Relief, Valve;Control, Valve;Pilot, Valve;Lock | |
| Body & Operator Station | Frame, Tank, Engine Control Cable, Console _Canopy_, Console _Cab_, Canopy, Floor Ass'Y, Floor, Seat, Seat Base, Cover, Track Frame, Cab Parts, Cab Ass'Y, Cab, Seat Belt | |
| Decals & Accessories | Tools | |
| Other Components | Counterweight, Engine, Swing Device, Swing Post, Main Pipings, Engine Control, Console, Control Lever, Control Pedal, Lever Link Support, Lever Link, Pilot Pipings, Pilot Pipings _Jis-Type_, Pilot Pipings _H-Type_, Voice Monitor, Electric Parts |
Hitachi EX40-2 Common Problems This Manual Covers
Hitachi EX40-2 bucket teeth and side cutter part numbers needed for a worn standard bucket
Inspect the Bucket 0.14 _Jis94_ (600Mm Wide) exploded view on page 210. Locate the required part numbers for the point, side cutter, and lock pin assemblies. Match the listed components to your serial number range to confirm exact fitment before ordering.
Manual Section: Bucket 0.14 _Jis94_ (600Mm Wide) p. 210Cannot identify the correct track link and shoe assembly part numbers for steel crawler replacement
Check the Track-Link 550G diagram on page 176. Verify the part numbers for the track-link, pin, bushing, and bolt. Ensure you are ordering the 550G specification components by cross-referencing your exact machine serial number before purchasing any replacement track shoes.
Manual Section: Track-Link 550G p. 176Struggling to find the right rotary valve and bracket part numbers for the multi lever
Review the 012 Way Multi Lever components on page 224. Identify the part numbers for the rotary valve, bracket, and cover. Verify your system uses the 012 Way configuration rather than an alternative before cross-referencing the serial number with your supplier.
Manual Section: 012 Way Multi Lever p. 224Missing lock pin and lock rubber part numbers for the narrow trenching bucket assembly
Examine the Bucket 0.10 _Jis94_ (450Mm Wide) parts list on page 206. Record the part numbers for the lock pin, lock rubber, and boss. Confirm these numbers match your exact serial number range, as fitment varies widely on these 450Mm attachments.
Manual Section: Bucket 0.10 _Jis94_ (450Mm Wide) p. 206Unclear part listings for the side cutters and mounting bolts on the wide grading bucket
Open the Bucket 0.17 _Jis94_ (700Mm Wide) diagram on page 214. Find the specific part numbers for the side cutter and required bolts. If the catalog lacks a clear serial-number match for this 700Mm bucket, contact the manufacturer to verify compatibility.
Manual Section: Bucket 0.17 _Jis94_ (700Mm Wide) p. 214Frequently Asked Questions
What are the replacement specifications for engine filter elements?
The engine oil filter for the EX40-2 is part number 4366703. This filter is listed as a replacement part for the engine system. p. 6
What is the part number for the main engine fan belt?
The EX40-2 engine uses fan belt part number 4366702 or 4391560, depending on the specific serial number range. p. 6
What is the part number for the fuel filter element?
The fuel filter element for the EX40-2 is part number 4366704. p. 20
What is the part number for the air cleaner element?
The air cleaner element for the EX40-2 is part number 4294846. p. 16
What is the part number for the hydraulic suction filter?
The suction filter for the hydraulic tank is part number 4272369. p. 22
What format is this Hitachi EX40-2 manual in?
Instant PDF download. You get the full 351-page searchable Parts Catalog immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Are there any print restrictions on this Hitachi EX40-2 manual?
Zero restrictions. The PDF is DRM-free. Print whatever sections you need to take out to the shop. Standard letter or A4 paper works.
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